<p>
  行为层内容
</p>
<a [routerLink]="['./javascript']">JavaScript</a>
<a [routerLink]="['./typescript']">TypeScript</a>
<a [routerLink]="[{ outlets: { js: ['compare'], ts: ['compare'] } }]">Compare</a>

<router-outlet></router-outlet>
<router-outlet name="js"></router-outlet>
<router-outlet name="ts"></router-outlet>
